From c039fcb3c2be73bf6c95012b3e5f5f53ef1b42e3 Mon Sep 17 00:00:00 2001
From: Andrea Diamantini <adjam7@gmail.com>
Date: Thu, 27 Aug 2009 13:54:14 +0200
Subject: New tab button code improvements. Patch from Johannes Zellner
 (thanks)

---
 src/tabbar.cpp | 38 ++++++++++++++++++++++++++++++++++++--
 1 file changed, 36 insertions(+), 2 deletions(-)

(limited to 'src/tabbar.cpp')

diff --git a/src/tabbar.cpp b/src/tabbar.cpp
index 64367263..d676af55 100644
--- a/src/tabbar.cpp
+++ b/src/tabbar.cpp
@@ -47,11 +47,13 @@
 #include <QtCore/QString>
 
 #include <QtGui/QFont>
+#include <QtGui/QToolButton>
 
 
 TabBar::TabBar(QWidget *parent)
         : KTabBar(parent)
         , m_parent(parent)
+        , m_addTabButton(new QToolButton(this))
 {
     setElideMode(Qt::ElideRight);
     setContextMenuPolicy(Qt::CustomContextMenu);
@@ -59,6 +61,8 @@ TabBar::TabBar(QWidget *parent)
     setMovable(true);
     connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this,
             SLOT(contextMenuRequested(const QPoint &)));
+
+    QTimer::singleShot(0, this, SLOT(postLaunch()));
 }
 
 
@@ -67,11 +71,20 @@ TabBar::~TabBar()
 }
 
 
+void TabBar::postLaunch()
+{
+    m_addTabButton->setDefaultAction(Application::instance()->mainWindow()->actionByName("new_tab"));
+    m_addTabButton->setAutoRaise(true);
+    m_addTabButton->setToolButtonStyle(Qt::ToolButtonIconOnly);
+    m_addTabButton->show();
+}
+
+
 QSize TabBar::tabSizeHint(int index) const
 {
     //TODO Create a SuperTabWidget class
 
-    int buttonSize = ((MainView *)m_parent)->addTabButton()->size().width();
+    int buttonSize = m_addTabButton->size().width();
     int tabBarWidth = m_parent->size().width() - buttonSize;
     int baseWidth =  m_parent->sizeHint().width()/4;
     int minWidth =  m_parent->sizeHint().width()/8;
@@ -83,7 +96,7 @@ QSize TabBar::tabSizeHint(int index) const
     }
     else 
     {
-        if (tabBarWidth/count()>minWidth)
+        if (count() > 0 && tabBarWidth/count()>minWidth)
         {
             w = tabBarWidth/count();
         }
@@ -100,6 +113,13 @@ QSize TabBar::tabSizeHint(int index) const
 }
 
 
+void TabBar::tabLayoutChange()
+{
+    setTabButtonPosition();
+    QTabBar::tabLayoutChange();
+}
+
+
 void TabBar::contextMenuRequested(const QPoint &position)
 {
     KMenu menu;
@@ -149,3 +169,17 @@ void TabBar::reloadTab()
 {
     emit reloadTab(m_actualIndex);
 }
+
+
+void TabBar::setTabButtonPosition()
+{
+    int tabWidgetWidth = frameSize().width();
+    int tabBarWidth = tabSizeHint(0).width()*count();
+    int newPosY = height()/2.0 - m_addTabButton->height()/2.0;
+    int newPosX = tabWidgetWidth - m_addTabButton->width();
+
+    if (tabBarWidth + m_addTabButton->width() < tabWidgetWidth)
+        newPosX = tabBarWidth;
+
+    m_addTabButton->move(newPosX, newPosY);
+}
-- 
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